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Updated: Jun 11, 2025

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Author Spotlight: Using Hyperpolarized Xenon-129 MRI to Study Lung Diseases
Published on: January 5, 2024
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Unveiling hidden sources of noise
Morgan Fitzgerald1, Eena Kosik2, Bradley Voytek1,2,3,4
1Neurosciences Graduate Program, University of California, San Diego, La Jolla, United States.
Elife
|October 1, 2024
Summary
Brain aging signals may be influenced by the heart. Age-dependent signals from the heart could impact neural activity associated with cognitive decline.
Area of Science:
- Neuroscience
- Cardiology
- Gerontology
Background:
- Neural activity changes are traditionally linked to brain aging.
- The heart's role in modulating brain function is increasingly recognized.
Purpose of the Study:
- To investigate the influence of age-dependent cardiac signals on neural activity patterns associated with brain aging.
Main Methods:
- Utilized advanced neuroimaging techniques.
- Incorporated cardiovascular monitoring in aging populations.
Main Results:
- Evidence suggests age-dependent cardiac signals correlate with neural activity changes.
- A potential 'leakage' mechanism from the heart to the brain is proposed.
Conclusions:
- Cardiac health may play a more significant role in brain aging than previously understood.
- Findings open new avenues for understanding and potentially mitigating age-related cognitive changes.
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